Sanbe, Ichirou
Current rating: 1464
Record: 1-3
| Grand Prix Yokohama 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 169 | Matsuura, Hiroyuki (1500) | Lost 1-2 | -181482 |
| 2extended | 311 | Mori, Masatake (1482) | Won 2-0 | +181500 |
| 3extended | 225 | Hioki, Takuro (1500) | Lost 1-2 | -181482 |
| 4extended | 428 | Kawai, Hiroki (1483) | Lost 0-2 | -181464 |
| average opponent: 1491record: 1-3 | new rating: 1464 | |||